Base | Representation |
---|---|
bin | 10000111100110… |
… | …01111000111000 |
3 | 100220112220101111 |
4 | 20132121320320 |
5 | 242400004323 |
6 | 22035330104 |
7 | 3344402350 |
oct | 1036317070 |
9 | 326486344 |
10 | 142188088 |
11 | 73297019 |
12 | 3b750934 |
13 | 235c5283 |
14 | 14c53b60 |
15 | c739c0d |
hex | 8799e38 |
142188088 has 16 divisors (see below), whose sum is σ = 304688880. Its totient is φ = 60937728.
The previous prime is 142188083. The next prime is 142188097. The reversal of 142188088 is 880881241.
142188088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 142188088.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142188083) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269481 + ... + 1269592.
It is an arithmetic number, because the mean of its divisors is an integer number (19043055).
Almost surely, 2142188088 is an apocalyptic number.
It is an amenable number.
142188088 is an abundant number, since it is smaller than the sum of its proper divisors (162500792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142188088 is a wasteful number, since it uses less digits than its factorization.
142188088 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2539086 (or 2539082 counting only the distinct ones).
The product of its (nonzero) digits is 32768, while the sum is 40.
The square root of 142188088 is about 11924.2646733457. The cubic root of 142188088 is about 521.9405891389.
The spelling of 142188088 in words is "one hundred forty-two million, one hundred eighty-eight thousand, eighty-eight".
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